1212211102010 has 16 divisors (see below), whose sum is σ = 2183539680000. Its totient is φ = 484537841616.

The previous prime is 1212211101977. The next prime is 1212211102031. The reversal of 1212211102010 is 102011122121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43310210 + ... + 43338189.

It is an arithmetic number, because the mean of its divisors is an integer number (136471230000).

Almost surely, 2^{1212211102010} is an apocalyptic number.

1212211102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212211102010 is a deficient number, since it is larger than the sum of its proper divisors (971328577990).

1212211102010 is a wasteful number, since it uses less digits than its factorization.

1212211102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86649805.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1212211102010 its reverse (102011122121), we get a palindrome (1314222224131).

The spelling of 1212211102010 in words is "one trillion, two hundred twelve billion, two hundred eleven million, one hundred two thousand, ten".